Home / 8,301.78-11,456.49-4,575.78

Finding the Fourth Proportional to 8,301.78, 11,456.49 and 4,575.78

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Solution

The fourth proportional to 8,301.78, 11,456.49 and 4,575.78 is: 6,314.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301.78 : 11,456.49 = 4,575.78 : x
  2. Step 2: Convert to fraction form
    8,301.78/11,456.49 = 4,575.78/x
  3. Step 3: Cross multiply
    8,301.78x = 11,456.49 × 4,575.78
  4. Step 4: Simplify right side
    8,301.78x = 52,422,377.81
  5. Step 5: Solve for x
    x = 52,422,377.81/8,301.78
  6. Step 6: Final answer
    x = 6,314.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.